Updating libcontainer dependency via 'godep update'. This is required for cAdvisor to work inside docker.
Docker-DCO-1.1-Signed-off-by: Vishnu Kannan <vishnuk@google.com> (github: vishh)
Merge pull request #186 from vishh/fix_godeps

Updating libcontainer dependency via 'godep update'.
Merge pull request #185 from vishh/influxdb_optimze

Buffer stats in influxdb driver before writing to the Db.
Fix storage driver buffer duration default value.
The cache will now hold atlest the minimum number of stats required by the UI and more
if the buffer duration is longer than the default.

Docker-DCO-1.1-Signed-off-by: Vishnu Kannan <vishnuk@google.com> (github: vishh)